Functional epitopes of Streptococcus pneumoniae PsaA...

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

Reexamination Certificate

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C424S242100, C424S234100, C424S190100, C424S193100, C424S184100, C514S002600, C530S300000, C530S825000

Reexamination Certificate

active

07919104

ABSTRACT:
Provided is a P4 peptide, which contains functional epitopes of the PsaA protein ofStreptococcus pneumoniae, and related methods and compositions. P4 peptide mimetics having a conformational structure identical or similar to the conformation of P4 (e.g., SEQ ID NO: 1 and SEQ ID NO:2) are provided. An antibody that specifically binds to the epitope defined by the disclosed peptides is provided. A P4-specific antibody is PsaA-specific since P4 defines an epitope specific for PsaA. Immunogenic compositions comprising the peptide of SEQ ID NO: 1 and a pharmaceutical carrier or the peptide of SEQ ID NO:2 and a pharmaceutical carrier are also provided. Methods of using the peptides and antibodies of the invention are provided.

REFERENCES:
patent: WO 02/04497 (2002-01-01), None
patent: WO 05/003174 (2005-01-01), None
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